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IIR document

Mapping of the heat flux of an insulated small container by infrared thermography.

• Author(s) : BISON P., BORTOLIN A., CADELANO G., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat transfer coefficient, Heat bridge, Thermography, Heat flux, Insulated container
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Numerical model of dusty-water bridge forming between neighbor fins of fin-and-tube heat exchangers.

• Author(s) : YANG Y., ZHUANG D., DING G., ZHAN F.
• Publication date: 2020/09
• Languages : English
• Keywords : Air conditioner, Heat exchanger, Condensation, Finned tube, Evaporator, Water, Performance, Dust, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 117
• Formats : PDF

Why the importance of the thermal efficiency of refrigerated vehicles?

• Publication date: 2014/09
• Languages : English
• Keywords : Thermal conductivity, Heat bridge, Generality, Refrigerated transport, Heat loss, Refrigerated vehicle
• Source: Cold Link (The) - vol. 27 - n. 5
• Formats : PDF

IIR document

Heat transfer analysis of a cryogenic vessel with built-in assembly.

• Author(s) : PAVLENKO D., SULC R.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Heat bridge, Cryostat, Liquid nitrogen, Heat transfer, Simulation, Modelling, LNG, Expérimentation, Cryogenics
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

IIR document

The cold compressors in the field of cryogenic systems.

• Author(s) : KROUPA M., PLASIL V., NOVOTNY M.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Superconduction, Helium, Heat bridge, China, Superfluid helium, Expérimentation, Case study, Cryogenics, Compressor
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

Premošcavanje jaza (razlike) izmedu stvarnog i proracunatog korišcenja toplotne energije u modelovanju stambenih zgrada odozdo naviše.

Bridging the gap of actual and calculated heating energy consumption in bottom-up residential building stock modeling.

• Author(s) : BALARAS C. A., DASCALAKI E. G., DROUSTA K. G., et al.
• Publication date: 2016/12
• Languages : English
• Keywords : Energy consumption, Calculation, Modelling, Residential building, Reliability, CO2 emission, Heating
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

IIR document

Observation and description of the shape of water bridge retaining between vertical plane surfaces.

• Author(s) : YANG Y., ZHUANG D., DING G., et al.
• Publication date: 2016/04
• Languages : English
• Keywords : Finned tube, Water holding, Vertical surface, Plane surface, Performance, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 64
• Formats : PDF

IIR document

Freezing propagation between condensed droplets: Visualization and formulation of governing equation from ice bridge growth velocity.

• Author(s) : KISHI S., ASAOKA K., INOUE S., SUZUKI D., ARAKI T.
• Publication date: 2024/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 160
• Formats : PDF

IIR document

A mathematic model for predicting the volume of water bridge retaining between vertical fin surfaces.

• Author(s) : YANG Y., ZHUANG D., DING G., et al.
• Publication date: 2016/07
• Languages : English
• Keywords : Finned tube, Water holding, Vertical surface, Plane surface, Prediction, Model, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 67
• Formats : PDF

Industrial heat pumps: the renewing of rejected heat.

• Author(s) : GLADIS S.
• Publication date: 2014/03
• Languages : English
• Keywords : Industrial application, Cooling, Heat recovery, Heat pump, Heating, Waste heat, Compressor
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 2
• Formats : PDF

Calibration and validation of a thermal energy storage model: Influence on simulation results.

• Author(s) : ANGRISANI G., CANELLI M., ROSELLI C., et al.
• Publication date: 2014/06
• Languages : English
• Keywords : Heat transfer coefficient, Calibration, Energy storage, Model, Expérimentation, Thermal energy storage
• Source: Applied Thermal Engineering - vol. 67 - n. 1-2

IIR document

Numerical analysis on thermal performance of trailer house composite envelope using vacuum insulation panels.

• Author(s) : KAN A., WANG F., YU W., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Defrosting performance of superhydrophobic fin-tube heat exchanger.

• Author(s) : WANG F., LIANG C., ZHANG Y., et al.
• Publication date: 2017/02/25
• Languages : English
• Keywords : Finned tube, Performance, Expérimentation, Defrosting, Heat exchanger, Water
• Source: Applied Thermal Engineering - vol. 113

IIR document

Progress on power electronics for electrocaloric heat pump systems.

• Author(s) : MÖNCH S., REINER R., BASLER M., MANSOUR K., GRIESHABER D., WALTEREIT P., QUAY R., BARTHOLOME K.
• Publication date: 2024/08/24
• Languages : English
• Keywords : Electrocaloric cooling, Heat pump, Electronics, Performance, Power, Condenser, Review, COP
• Source: 10^th IIR Conference on Caloric Cooling and Applications of Caloric Materials
• Formats : PDF

IIR document

Numerical and experimental study on heat transfer characteristic and thermal load of the freezer gasket in frost-free refrigerators.

• Author(s) : YAN G., CHEN Q., SUN Z.
• Publication date: 2016/03
• Languages : English
• Keywords : Frost, Seal, Heat transfer, Household refrigerator, Expérimentation, Freezer, Thermal load
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 63
• Formats : PDF

CO2 supermarkets: Tesco

Designed as Tesco's first zero-carbon store, the new store at Ramsey, Cambridgeshire, UK, is completely HFC-free. The supermarket is hence using natural refrigerants CO2 and hydrocarbons throughout its refrigerators, freezers, heating, ventilation...

• Publication date : 2010/05/27

Magnetic refrigeration: future applications

The magnetocaloric effect was discovered in 1881 and has been used in cryophysics since the 1930s, but thanks to recent developments in material science, this technology can now be used at room temperature. Several projects involving this...

• Publication date : 2006/07/26

PZT: electric cooling

A new material has been developed by a team of Cambridge scientists that turns cold at the press of a button. They have found a ceramic material that has a giant electrocaloric effect; 100 times larger than that seen in the 1960s when this...

• Publication date : 2006/05/05

ICR2011 highlights: improving insulation thanks to vacuum

Vacuum insulated panels (VIPs) are a new technology which is theoretically 5 times less conductive than classic polyurethane panels (3 times less in practice because of the various thermal bridges).

• Publication date : 2012/01/05

The benefits of thermal energy storage for cold chain applications

Several presentations at the IIR ICCC 2022 conference focused on the potential applications of Thermal Energy Storage (TES) and Phase-Change Materials (PCMs) and highlighted the...

• Publication date : 2022/07/08

Refrigerant safety standards high on global agenda.

At the international level, many discussions are currently focusing on the necessity to revise safety standards in order to adapt them to refrigerants classified as mildly flammable or flammable. China and India invest themselves.

• Publication date : 2017/02/02
• Subjects: Regulation

Improving adsorption cooling thanks to MOFs

Metal-organic framework (MOF) compounds are porous crystalline materials composed of metal ions or metal clusters bridged by organic linking groups; they have outstanding adsorption properties, allowing for better efficiency and use on a larger...

• Publication date : 2015/02/20

3D printing for passive buildings

3D printing of buildings, which has advantages in terms of cost and speed of construction, can also facilitate the design of near zero energy buildings. 

• Publication date : 2021/03/29

ICR2019: focus on innovative refrigeration technologies for developing countries

Several papers presented during the IIR International Congress of Refrigeration in August 2019 addressed advances in the refrigeration technologies that are particularly adapted to hot countries with limited electricity supply: solar...

• Publication date : 2019/11/29
• Subjects: Developing country

1st IIR International Cold and Sustainability Conference

The 1st IIR Conference on Sustainability and the Cold Chain held in Cambridge, UK, on March 29-31, 2010 attracted over 150 participants from 22 countries. Academia, public and corporate research centres, public agencies and administrations, and...

• Publication date : 2010/05/27

Magnetic refrigeration: a promising technology

The IIR decided, a few years ago, to set up a Working Party on Magnetic Refrigeration at Room Temperature, and has organized 4 conferences: in 2005 in Switzerland, in 2007 in Slovenia, in 2009 in the USA, in 2010 in China. We published articles in...

• Publication date : 2011/02/07

IIR Working Parties

The IIR has 10 commissions: Cryophysics, cryoegineering (A1); Liquefaction and separation of gases (A2); Thermodynamics and transfer processes(B1); Refrigerating equipment (B2); Cryobiology, cryomedicine (C1); Food science and engineering (C2);...

• Publication date : 2009/12/09

The next IIR Conference on the Cold Chain goes to Japan in 2024!

Don’t miss out! Save the date for the 8th IIR Conference on Sustainability and the Cold Chain to take place on June 9-11, 2024, in Tokyo (Japan).

• Publication date : 2023/05/16
• Subjects: General information

Statement by Yosr Allouche, new Director General of the IIR

The International Institute of Refrigeration (IIR) is pleased to announce the official nomination of Yosr Allouche as its new Director General. In this statement, she outlines her vision and aspirations for the...

• Publication date : 2024/10/17

Editorial by Didier Coulomb

The UN climate change conference in Copenhagen was a failure. The initial stances and the interests of the stakeholders were too divergent to enable an agreement to be reached rapidly. It is possible that no agreement will ever be reached....

• Publication date : 2010/03/07

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : English, French
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids